6.26*7.7+62.6*0.73简便运算
答案:3 悬赏:80 手机版
解决时间 2021-01-07 20:19
- 提问者网友:暮烟疏雨之际
- 2021-01-07 05:57
6.26*7.7+62.6*0.73简便运算
最佳答案
- 五星知识达人网友:思契十里
- 2021-01-07 07:25
6.26×7.7+62.6×0.73
=6.26×7.7+6.26×7.3
=6.26×(7.7+7.3)
=6.26×15
=6.26×5×3
=31.3×3
=93.9
=6.26×7.7+6.26×7.3
=6.26×(7.7+7.3)
=6.26×15
=6.26×5×3
=31.3×3
=93.9
全部回答
- 1楼网友:独钓一江月
- 2021-01-07 08:52
62.6×0.73=6.26×7.3之后用结合律就行了
- 2楼网友:行雁书
- 2021-01-07 07:42
=6.26×7.7+6.26×7.3
=6.26×(7.7+7.3)
=6.26×15
=6.26×(10+5)
=6.26×10+6.26×5
=62.6+31.3
=93.9
=6.26×(7.7+7.3)
=6.26×15
=6.26×(10+5)
=6.26×10+6.26×5
=62.6+31.3
=93.9
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